![]() I had a great time in Austin, Texas (yes, Austin is still in Texas) last week with the Austin PowerShell User Group ( Founded by Thom Schumacher and now admirably led by Aditi Satam, this awesome group serves PowerShell folks in the whole Austin metro area. Otherwise, start with the My First Form videos ( Part 1: Build a Simple PowerShell GUI App and Part 2: Controls and Properties) and read the beginner blogs in PowerShell GUIs: Where do I start? In this blog, we assume that you know how to create a single-form PowerShell GUI app or that you've participated in a Thinking in Events hands-on lab. If you prefer a video, see Create a Muiti-Form PowerShell GUI App (video). When you finish, you'll know how to use the basic multi-form features of PowerShell Studio.įor details about how these features work under the covers, see How Do Multi-Form Projects Work? If you get stuck, the code for this project is on GitHub. The app consists of a parent form that gets data from a child form and displays it. This step-by-step example shows you how to create a very simple multi-form PowerShell GUI app. ![]() The instructions in this article were updated in September 2022. ![]() The Validating event passes a object as a parameter to the event block, which you can access this by using the $_ variable.This article was written in 2016 (PowerShell 2016, PowerShell 2.0+). Use this event to provide custom validation for any input control, such as a TextBox. Validation on a control is triggered when the control loses focus. This event occurs when the control is validating. ![]() ![]() Thankfully WinForms has built in mechanisms to help facilitate data validation.Įach control has the following events and properties that are used to validate a form. This may come in the form of simply checking if there is an entry for a field, such as a name or a more complex task such as validating an email address. Documentation Update: The 'Cancel' property instructions in the 'Validating' event section was updated in May 2023.Ī good user interface will validate user input to ensure it is in the correct format. ![]()
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